. >> most people would say hey, look, it's marijuana, what's the big deal? >> it's more potent now than ever. the days of the former arguments about it being a mild drug that everybody uses, those days are over. >> he says controlled conditions and sophiscated growing techniques have made marijuana tronger and therefore more dangerous. the government considers it a gateway to more serious drugs and spends millions of dollars a year on marijuana law enforcement. pro marijuana groups argue in the cases of more potent pot users adjust their intake and smoke less. they say there's no evidence that marijuana leads to harder drugs. as for the government's war on marijuana, they say it's expensive and has had little effect on the millions of users. >> a a drug war raging in our national parks and forests. >> kept thinking if i turn my back, i'm going to get a bullet in the back of my head. it's salonpas. this is the relief i've been looking for. salonpas has 2 powerful pain fighting ingredients that work for up to 12 hours. and my pharmacist told me it's the only o